#A71F2C#A71F2C

#A71F2C is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.170 H 22.3°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#A71F2C
RGB	rgb(167, 31, 44)
HSL	hsl(354, 69%, 39%)
HSV	hsv(354, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 73.7%, 34.5%)
CIE-LAB	lab(36.71, 53.88, 28.49)
CIE-LCH	lch(36.71, 60.95, 27.87°)
OKLab	oklab(47.53% 0.1575 0.0647)
OKLCH	oklch(47.53% 0.17 22.3)
XYZ	xyz(16.8829, 9.3800, 3.3040)
Luminance	0.0938 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F2C #1FA79A

analogous

#A71F70 #A71F2C #A7561F

triadic

#A71F2C #2CA71F #1F2CA7

tetradic

#A71F2C #70A71F #1FA79A #561FA7

square

#A71F2C #70A71F #1FA79A #561FA7

split-complementary

#A71F2C #1FA756 #1F70A7

monochromatic

#400C11 #73151E #A71F2C #D82B3C #E15F6C

Accessibility & contrast

On white

7.30

#A71F2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A71F2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F2C

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F2C	#FFFFFF	#000000	##FFFFFF
##A71F2C	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A442B

Deuteranopia (green-blind)

#6B6127

Tritanopia (blue-blind)

#B80026

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f2c;
/* rgb */ color: rgb(167, 31, 44);
/* oklch */ color: oklch(47.5% 0.170 22.3);

Tailwind

colors: {
  custom: {
    50: '#ca6965',
    500: '#a71f2c',
    950: '#000000',
  },
}

SCSS

$custom: #a71f2c;
$custom-light: #ca6965;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f2c",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 44
  },
  "hsl": {
    "h": 354.265,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47531,
    "c": 0.17031,
    "h": 22.3
  },
  "luminance": 0.09377
}

Semantic roles & 50–950 ramp

primary

#A71F2C

secondary

#5CC6BC

accent

#ECDB3C

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A71F2C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →